NSN 4520-01-481-6861 · NIIN 014816861 · Part number 863-220040
Guild Associates Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 4X630
Government record, cited
NSN 4520-01-481-6861 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-481-6861. Manufacturer of record part number: 863-220040.
Also searched as4520-01-481-6861 ·
4520014816861 ·
NIIN 014816861 ·
01-481-6861 ·
FSC 4520 Space and Water Heating Equipment · CAGE 4X630 · 863-220040
Nearby stock numbers← 4520-01-481-6789 Pipe, Air Conditioning-Heating
·
4520-01-481-7272 Heater, Fluid, Electric →
Features
Pipe,air Conditioning-Heating — FSC 4520
Length: 12.250 INCHES NOMINAL IN
Shape: ROUND
Construction: DOUBLE
Material: ALUMINUM ALLOY
Cross-Sectional Diameter: 13.000 INCHES NOMINAL IN
Material Thickness: 0.0478 INCHES IN
1 manufacturer part number on file
Identification
NSN: 4520-01-481-6861
NIIN: 014816861
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 863-220040
Manufacturer: Guild Associates Inc
General Description
The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-481-6861, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Guild Associates Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-481-6861?
NSN 4520-01-481-6861 is a Pipe,air Conditioning-Heating, manufactured by Guild Associates Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-481-6861?
NSN 4520-01-481-6861 has 1 manufacturer part number on file: 863-220040 (Guild Associates Inc).
What are the specifications of 863-220040?
Key specifications for 863-220040: Length: 12.250 INCHES NOMINAL IN; Shape: ROUND; Construction: DOUBLE; Special Features: 6.00 INCH TUBE OUTLET OFF ONE SIDE AT 40 DEG 10 INCH FROM CTR IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-481-6861 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.